1OBJS = main.o console.o string.o kalloc.o proc.o trapasm.o trap.o vectors.o \ 2 syscall.o ide.o picirq.o mp.o spinlock.o fd.o pipe.o 3 4CC = i386-jos-elf-gcc 5LD = i386-jos-elf-ld 6OBJCOPY = i386-jos-elf-objcopy 7OBJDUMP = i386-jos-elf-objdump 8CFLAGS = -nostdinc -I. -O2 -Wall -MD 9 10xv6.img : bootblock kernel 11 dd if=/dev/zero of=xv6.img count=10000 12 dd if=bootblock of=xv6.img conv=notrunc 13 dd if=kernel of=xv6.img seek=1 conv=notrunc 14 15bootblock : bootasm.S bootmain.c 16 $(CC) -O -nostdinc -I. -c bootmain.c 17 $(CC) -nostdinc -I. -c bootasm.S 18 $(LD) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o 19 $(OBJDUMP) -S bootblock.o > bootblock.asm 20 $(OBJCOPY) -S -O binary bootblock.o bootblock 21 ./sign.pl bootblock 22 23kernel : $(OBJS) bootother.S user1 usertests 24 $(CC) -nostdinc -I. -c bootother.S 25 $(LD) -N -e start -Ttext 0x7000 -o bootother.out bootother.o 26 $(OBJCOPY) -S -O binary bootother.out bootother 27 $(OBJDUMP) -S bootother.o > bootother.asm 28 $(LD) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary bootother user1 usertests 29 $(OBJDUMP) -S kernel > kernel.asm 30 31vectors.S : vectors.pl 32 perl vectors.pl > vectors.S 33 34user1 : user1.c ulib.o 35 $(CC) -nostdinc -I. -c user1.c 36 $(LD) -N -e main -Ttext 0 -o user1 user1.o ulib.o 37 $(OBJDUMP) -S user1 > user1.asm 38 39usertests : usertests.c ulib.o 40 $(CC) -nostdinc -I. -c usertests.c 41 $(LD) -N -e main -Ttext 0 -o usertests usertests.o ulib.o 42 $(OBJDUMP) -S usertests > usertests.asm 43 44ulib.o : ulib.c 45 $(CC) -nostdinc -I. -c ulib.c 46 47-include *.d 48 49clean : 50 rm -f *.o bootblock kernel kernel.asm xv6.img *.d user1 51